| birth defects | 0.16 |
| liver failure | 0.16 |
| myriad uses | 0.25 |
| more attention | 0.25 |
| carcinogenic | 0.36 |
| dangerous | 0.28 |
| organic compound | 0.55 |
| added | 0.77 |
| used as solvent | 0.70 |
| evaporated | 0.53 |
| used as anesthetic | 0.50 |
| removed | 0.45 |
| purchased | 0.37 |
| formed | 0.32 |
| placed in particular co… | 0.25 |
| removed by distillation | 0.25 |